A man poisoned his wife and son and killed himself in the state capital due to an unpaid bank loan, police said on Tuesday.
The tragedy occurred in Simra in Madiyaon area where Naresh (30), Kalpana (28) and their son Rohtash (11) were found dead in their house.
The crime came to light when Naresh's younger brother knocked at the house door but did not receive a response. He called the police, who broke into the house to find the three bodies.
Family members said Naresh was tense owing to a loan he had taken from a private bank.
He was unable to pay the instalments and bank officials had allegedly sent musclemen recently to threaten the family, they said.